murdoch showed us how seals line the shore. there are now roughly 350,000 living along the north atlantic coast. are there a lot of seals out there are? >> there are a lot of seals out there, yes, there are thousands and they are increasing in number, because they're protected. >> reporter: they're protected because of the 1972 federal marine mammal protection act, which makes it illegal to harm these animals. with a life span of 30 to 40 years, these seals will keep providing a tempting target for sharks along these waters. seth doane, cbs news, chatham, massachusetts. >> pelley: and that's the cbs evening news for tonight. for all of us at cbs news, all around the world, good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org [ female announcer ] what would you call an ordinary breakfast pastry that's been wrapped in a flaky crust stuffed with a gooey center toasted up all golden brown then given a delicious design? a toaster strudel. pillsbury toaster strudel. so delicious...so fun. mo